6664286 has 8 divisors (see below), whose sum is σ = 10166040. Its totient is φ = 3275608.

The previous prime is 6664279. The next prime is 6664309. The reversal of 6664286 is 6824666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28121 + ... + 28356.

It is an arithmetic number, because the mean of its divisors is an integer number (1270755).

Almost surely, 2^6664286 is an apocalyptic number.

6664286 is a deficient number, since it is larger than the sum of its proper divisors (3501754).

6664286 is a wasteful number, since it uses less digits than its factorization.

6664286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56538.

The product of its digits is 82944, while the sum is 38.

The square root of 6664286 is about 2581.5278421896. The cubic root of 6664286 is about 188.1848001779.

The spelling of 6664286 in words is "six million, six hundred sixty-four thousand, two hundred eighty-six".